<p>
QuantConnect has a large open source community driving innovation in the LEAN Algorithmic Trading Engine. We have collected relevant tutorials here for community members learn from and use with their local installations of LEAN.</p><style>   
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<a class="tutorial-link docs-internal-link" href="/tutorials/open-source/debugging-python">
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    <h4><i class="fa fa-list-alt"></i> 100 Debugging Python</h4>
    <p>Explore different methods to debug python algorithms.</p>
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</a>

<a class="tutorial-link docs-internal-link" href="/tutorials/open-source/how-do-i-use-the-api-file-provider">
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    <h4><i class="fa fa-list-alt"></i> 102 Using the API File Provider</h4>    
    <p>Configuring your installation to pull financial data from the QuantConnect website repository.</p>
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</a>

<a class="tutorial-link docs-internal-link" href="/tutorials/open-source/lean-report-creator">
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    <h4><i class="fa fa-line-chart"></i> 103 Lean Report Creator</h4>    
    <p>Create polished professional reports from backtest results.</p>
    <i class="fa fa-external-link tutorial-link-icon"></i>
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</a>

<a class="tutorial-link docs-internal-link" href="/tutorials/open-source/generating-random-backtest-data">
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    <h4><i class="fa fa-database"></i> 201 Generating Random Data</h4>    
    <p>Generate random data to use for backtesting with LEAN</p>
    <i class="fa fa-external-link tutorial-link-icon"></i>
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</a>

<a class="tutorial-link docs-internal-link" href="/tutorials/open-source/brokerage-development-guide">
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    <h4><i class="fa fa-briefcase"></i> 301 Brokerage Development Guide</h4>    
    <p>Guide to implementing your own brokerage in LEAN.</p>
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</a>
